AOW after OW doesn't make anyone advanced. It does give them a look at different types of diving and environment. It is the individual who calls themselves 'Advanced' when they sign up for the 'advanced' dives.
Well that would be 99.99% of all divers then IMO, I know that I called my self an Advanced Diver when I completed my AOW.
As for logbooks, I still use them and log some dives more meticulously than others especially if I have found new (to me) species of nudibranch. This is all for my own benefit naturally, it is a reference for various points as others have suggested such as water conditions (temp, current etc) as well as the photogear I used on that dive plus other details that I feel are relevant.
I archive my annual log at the end of the year in special 3-ring binders and use a waterproof cover "working" 3 ring binder for current dives. Nothing online and I am certainly not going to scan all of my log books to lose them in a hard drive crash or some virus. I have a friend that lost all of her dives when her computer crashed some years ago, and was very upset about it and has gone back to paper. If anyone wants to see my logbook they see only the logged dives for that year, and scanned copies of my OW /AOW / Rescue cards that are all 20+ years old and I have never been asked for any other information.
Checkout dives, all for them, if I ran my own dive op this would be mandatory as well as use of SMBs on boat dives. Like others after a long trip to the dive destination it gives me a good chance to check out my gear too.